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20917 (5016 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2020917
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1074128865890362
3.6258e-08
a
2.199418826380061
8.0862e-09
au
q
1.963172901420309
7.9531e-08
au
i
4.919311293681848
4.2271e-06
deg
node
14.27460816284378
5.1523e-05
deg
peri
205.8993739513126
5.6653e-05
deg
M
312.3750379014645
2.5698e-05
deg
t
p
2459358.113160029487
(2021-May-23.61316003)
8.5349e-05
TDB
period
1191.407512161779
3.26
6.5703e-06
1.799e-08
d
yr
n
.3021636143176478
1.6664e-09
deg/d
Q
2.435664751339814
8.9548e-09
au
Orbit Determination Parameters
# obs. used (total)
1207
data-arc span
22083 days (60.46 yr)
first obs. used
1960-09-28
last obs. used
2021-03-15
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.52093
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:34:41
Additional Information
Earth MOID
= .95572 au
Jupiter MOID
= 2.53623 au
T_jup
= 3.654
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.27
n/a
E2021B10
20917 (5016 P-L)
Discovered 1960-Oct-22 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20010109/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
5016 P-L
= 2198 T-2
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2021-Apr-17 23:36 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin
